RDL HD-RA35UA Bruksanvisning

RDL miksestav HD-RA35UA

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INSTALLATION AND OPERATION

INTRODUCTION

INPUT WIRING

PRIORITY PAGING

INPUTS 3 & 4

INPUT 1 INPUT 2

CONNECTIONS

Four inputs may be connected. Each input is available on the primary Zone 1 front-panel mixer and on the Zone 2 rear-panel mixer. If used, the paging source is usually connected to Input 1.

The front-end preamplifier stages for Inputs 1 and 2 are each equipped with a gain trimmer. The dual-LED VU meter displays the signal level for Inputs 1 and 2 following the preamplifiers. This

allows each input gain trimmer to be set properly for the optimum signal-to-noise ratio, avoiding the possibility of input clipping common to mixers with unmetered input stages.

Connections are made on the rear panel. All connections are on detachable terminal blocks or connectors. The Zone 2 mixer, Inputs 1 and 2 gain trimmers and VU-meter, ducking controls and

assignments, phantom voltage selectors and sleep mode delay timer settings are also provided on the rear panel. The Zone 1 mixer, tone controls, indicators and power button are on the front panel.

Balanced MIC or LINE source connected

using a single-pair shielded audio cable

Unbalanced MIC or LINE source connected using

a single-conductor shielded audio cable

Balanced LINE signal from phone

PBX or audio transformer

INPUT 1

Connect a MIC or LINE source. This is normally a paging mic or the line-level paging output from a phone PBX. The line-level

input is transformer balanced (providing galvanic isolation) and may be connected balanced or unbalanced.

INPUT 2

Connect a MIC or LINE source. The line-level input is

active balanced and may be connected balanced or

unbalanced.

INPUTS 3 & 4

Connect a mono or stereo standard unbalanced -10 dBV audio

source to INPUTs 3 and/or 4. The two input jacks associated with

each input provide active summing of the left and right channels,

thereby preserving the stereo separation of the audio source.

MIC or LINE Gain

Set the Input Gain to MIC or LINE/TEL according to the input

signal connected.

MIC or LINE Gain

Set the Input Gain to MIC or LINE

according to the input signal connected.

GAIN TRIM

Feed a normal signal level into INPUT 1 and adjust the GAIN

TRIM for maximum brightness of the NORM green LED with

occasional flashing of the red PEAK LED. (Disconnect INPUT 2

during this adjustment.)

GAIN TRIM

Feed a normal signal level into

INPUT 2 and adjust the GAIN TRIM

for maximum brightness of the NORM

green LED with occasional flashing

of the red PEAK LED. (Disconnect

INPUT 1 during this adjustment.)

VOX (VOICE-ACTIVATED PRIORITY)

If a paging signal is to automatically “duck” (fade down) other

audio inputs, feed a normal paging signal into INPUT 1 and adjust

the SENSITIVITY trimmer until the LED flashes regularly. Set the

SENSITIVITY trimmer fully CCW to disable the VOX function.

MANUAL PRIORITY

If a swich (such as a paging mic push-to-talk switch) should “duck” (fade down) other audio inputs, connect the switch to the DUCK and Ground terminals.

INPUT DUCKING SELECTOR

Select any or all inputs (2, 3 and/or 4) to be ducked when a paging priority is detected (VOX activated by audio signal on INPUT 1, or

MANUAL activation by an external switch. Selected inputs are ducked only in Zone 1 (the primary amplified output). Set the switch

ON (switch up) to duck the input in Zone 1; set the switch OFF to prevent ducking. Inputs are not ducked in Zone 2.

FADE-UP DELAY

Adjust the FADE-UP DELAY trimmer to delay the start of the

audio fade-up following the release of an external manual priority

switch and/or VOX priority detection.

PHANTOM VOLTAGE

If a condenser mic may be connected to INPUT 1, set the

phantom voltage ON (switch up).

INPUT 1 BYPASS EQUALIZATION

If the INPUT 1 (paging) signal equalization is to be adjusted by the front-panel tone controls, set the switch OFF (down). If the

tone controls are

not

intended to adjust the frequency response of INPUT 1, set the switch ON (up).

PHANTOM VOLTAGE

If a condenser mic may be connected

to INPUT 2, set the phantom voltage

ON (switch up).

LEFT

STEREO SOURCE MONO SOURCE

RIGHT

HD-RA35UA

Congratulations on your selection of an RDL HD-Series Ultra-High-Efficiency commercial mixer amplifier. The HD-RA35UA is part of the world’s first full-featured environmentally conscious

“green” mixer amplifier series for commercial installations. This product includes studio quality microphone input stages, line-level transformer isolation, equalization, remote control capability

and integral analog compression coupled to sonically pleasing analog-filtered high efficiency Class D output stages. An internal low-power-consumption processor monitors usage demands

to completely shut down internal circuitry for maximum power conservation and extremely low long-term operating cost. The HD-Series mixer amplifiers are designed and manufactured in the

U.S.A. using the most advanced automated manufacturing and testing processes for years of reliable high performance and cost savings.

HD-RA35UA 25/70/100 V

OUTPUT CONNECTIONS MUST BE MADE BY

PERSONS ADVISED OR SUPERVISED TO

AVOID DANGERS AND PREVENT RISKS

WHICH ELECTRICITY MAY CREATE.

USE ONLY THE TERMINAL BLOCK

SUPPLIED WITH THE MODULE.

USE ONLY THE POWER SUPPLY

SUPPLIED WITH THE MODULE.

REMOTE CONTROL FOR ZONE 1 MIXER INPUTS 2, 3 AND 4

ZONE 2

EFFECTS LOOP

AUTOMATIC SLEEP MODE

ADDING ZONES OPERATION

External 0 to 10 V Control

Pin 1 0 to 10 V for Input 2

Pin 3 0 to 10 V for Input 3

Pin 5 0 to 10 V for Input 4

Pin 8 Ground Reference

Input 4 External 10k Ω Pot.Input 3 External 10k Ω Pot.Input 2 External 10k Ω Pot.

Upon loss of audio at all inputs, a timer starts. At the completion of the timing interval, the mixer amplifier enters the standby mode. All circuits not needed to detect audio presence are shut

off. When audio is detected, all circuits turn on and wait for a loss of audio to restart the timing interval. The timer may be disabled if required by system specifications.

The Zone 2 mixer operates from the same 4 inputs as the front-panel Zone 1 mixer. Ducking assignments do not affect the signals in Zone 2. Each input source should be adjusted to the

desired output level. Turn down unused inputs to remove them from the mix. Three Zone 2 outputs are provided. The LINE OUTPUT is balanced and may be used to feed the input of an other

power amplifier. The 600 Ohm output is transformer isolated (providing galvanic isolation) to drive a phone PBX paging input. The 8 Ohm output drives an 8 Ohm speaker with up to 4 W RMS.

REMOTE MIXING CONTROL

Connect this RJ45 jack directly to an RDL

remote control. (Examples: D/DS-RC3 or

D/DS-RC3M) The RJ45 wiring may be

“broken out” for connection to external

OEM 0 to 10 Vdc controls or 10k Ohm

potentiometers.

WIRING “Break-out”

LINE OUTPUT

Active balanced

INPUTS

Adjust for desired

output level

10 Minutes 40 Minutes 70 Minutes 100 Minutes

20 Minutes 50 Minutes 80 Minutes 110 Minutes

Disable (mixer-amplifier remains

ON, does not enter standy mode)

30 Minutes 60 Minutes 90 Minutes 120 Minutes

PIN 1, Mixer Input 2 VCA control

PIN 2

PIN 3, Mixer Input 3 VCA control

PIN 4

PIN 5, Mixer Input 4 VCA control

PIN 6

PIN 7, +10 Vdc

PIN 8, Ground Ref.

RJ45 Control Wiring

PIN 5, VCA control

PIN 7, +10 Vdc

PIN 8, Ground Ref.

CCW

PIN 3, VCA control

PIN 7, +10 Vdc

PIN 8, Ground Ref.

CCW

PIN 1, VCA control

PIN 7, +10 Vdc

PIN 8, Ground Ref.

CCW

EFFECTS LOOP CONNECT SWITCH

This switch is normally left in the ON (up)

position when the effects loop is not used.

The switch connects the preamp output from

the Zone 1 mixer directly to the input of the

Zone power amp stage. Set this switch OFF

(down) to insert external processing.

MODULE MOUNTING AREA

This area is reserved for mounting RDL STICK-ON

or TX-Series modules. This example shows a

high-pass filter to protect horn loudspeakers from

bass overload. Other effects possibilities include

equalizers, mixers, crossovers or processors.

MODULE POWER

24 Vdc, 100 mA is available to power external modules.

Balanced LINE signal feeds phone PBX

Note: Remote control labels for

INPUTs 1, 2 and 3 correspond to

mixer-amplifier inputs 2, 3 and 4

respectively.

Connect an 8 Ohm speaker or multiple

speakers configured to present an 8 Ohm

load to the amplifier.

EQUALIZATION

Set the switch to

EQUALIZED (in) if the

front-panel tone controls

should affect the line

output; Set to FLAT (out)

if the tone controls should

not affect the line output.

SIGNAL PRESENT

The green LED glows when audio is present at INPUT 1. The indication is not affected by the setting of the mixer level control.

MIXER LEVEL 1

Adjust the level control for the desired output level. INPUT 1 is usually the paging signal. The level for this source is

set on the front panel and is unaffected by the remote control. Inputs 2, 3 and 4 are adjusted using the level controls

on the remote control. Note: Multiple compatible RDL remote controls are available separately.

POWER INDICATOR

Glows dimly when unit is powered in

standby (sleep) mode; glows bright when

amplifier is on; flashes during power-up.

POWER BUTTON

Momentary pushbutton toggles the

amplifier between ON and STANDBY.

TONE CONTROLS

Adjust BASS and TREBLE as desired.

COMPRESSION INDICATOR

LED flashes when audio compressor is

acting on the amplified audio.

ADDITIONAL ZONE AMPLIFIERS

Connect the LINE OUTPUT to the line input of one or

multiple additional RDL amplifiers to permit the Zone 1

mixer to feed other zones. The LINE OUTPUT may be

set to provide “flat” audio or to allow equalization by the

front-panel tone controls. The LINE OUTPUT may also be

used to feed recording equipment or an audio distribution

amplifier.

RDL• 659 6th Street • Prescott, AZ • USA 86301 • Sales: 800-281-2683 • 928-443-9391 • Tech Support: 800-933-1780 • 928-778-3554 • RDL Europe Sales & Support: (31) 20-6238-983 • www.rdlnet.com

Copyright © 2011 Radio Design Labs, Inc. RDL, Radio Design Labs and the RDL logo are registered trademarks of Radio Design Labs, Inc. Data reflects product at publication time, subject to change without notice. “Made in USA” applies to all HD products except power supplies. Other trademarks, if any, are the property of their respective owners.

891-3355A

ZONE 1 OUTPUT CONNECTIONS

Unplug the power supply and remove the output terminal security cover. Connect constant voltage speakers to a single output voltage tap. Do not connect speakers with dissimilar voltages to multiple

output taps. Total connected load must not exceed 35 W. Upon completion of the output terminal block wiring, re-install the cover over the terminal block prior to plugging in the power supply.

Multiple 25 V speakers Multiple 70 V speakers Multiple 100 V speakers